Effects of chitosan coating on the storage of peach, Japanese pear, and kiwifruit.
Du JianMing; Gemma, H.; Iwahori, S.;
Journal of the Japanese Society for Horticultural Science Year: 1997 Vol: 66 Issue: 1 Pages: 15-22 Ref: 16 ref.
1997
บทคัดย่อ
The effects of chitosan coating on respiration, ethylene production, and storage of peach cv. Hakuho, Japanese pear (Pyrus pyrifolia) cultivars Shinko and Housui [Hosui], and kiwifruit cv. Hayward during storage (at 25 deg C for 12 days, 5 deg for 18 weeks (Shinko), 24 deg for 6 weeks (Housui), and 5 deg for 26 weeks followed by 25 deg for 3 weeks, respectively) were investigated. Of 3 solvents compared for use with chitosan, acetic acid was best for coating fresh fruits with chitosan. Chitosan coating (0.5-2% solution) significantly reduced the respiration rate of peaches and Shinko pears in storage and of kiwifruits held at 25 deg after storage. Coating markedly reduced the ethylene production of peaches, and increased the internal CO2 and decreased the internal O2 levels of Shinko pear. Chitosan significantly inhibited the growth of Botrytis cinerea and fungi isolated from decaying Housui pears. Treatment resulted in a decrease in postharvest spoilage of peach, Housui pear, and kiwifruit. Chi
tosan-coated peaches and Shinko pears were markedly firmer and less mature at the end of storage, indicating that this treatment could be an alternative means of preserving fresh fruits.